3 # Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
5 # Licensed under GPLv2, see the file LICENSE in this tarball for details.
8 #--------------------------------------------------------------
9 # You shouldn't need to mess with anything beyond this point...
10 #--------------------------------------------------------------
11 noconfig_targets := menuconfig config oldconfig randconfig \
12 defconfig allyesconfig allnoconfig allbareconfig \
16 # the toplevel sourcedir
20 # toplevel directory of the object-tree
22 top_builddir=$(CURDIR)
25 export srctree=$(top_srcdir)
26 vpath %/Config.in $(srctree)
28 DIRS:=applets archival archival/libunarchive coreutils console-tools \
29 debianutils editors findutils init miscutils modutils networking \
30 networking/libiproute networking/udhcp procps loginutils shell \
31 sysklogd util-linux e2fsprogs libpwdgrp coreutils/libcoreutils libbb
33 SRC_DIRS:=$(patsubst %,$(top_srcdir)/%,$(DIRS))
35 # That's our default target when none is given on the command line
39 CONFIG_CONFIG_IN = $(top_srcdir)/sysdeps/$(TARGET_OS)/Config.in
40 CONFIG_DEFCONFIG = $(top_srcdir)/sysdeps/$(TARGET_OS)/defconfig
45 ifeq ("$(origin O)", "command line")
50 # If no alternate output-dir was specified, we build in cwd
51 # We are using KBUILD_OUTPUT nevertheless to make sure that we create
52 # Rules.mak and the toplevel Makefile, in case they don't exist.
53 KBUILD_OUTPUT := $(top_builddir)
56 # All object directories.
58 all_tree := $(patsubst %,$(top_builddir)/%,$(OBJ_DIRS) scripts scripts/config include)
63 ifneq ($(KBUILD_OUTPUT),)
64 # Invoke a second make in the output directory, passing relevant variables
65 # Check that the output directory actually exists
66 saved-output := $(KBUILD_OUTPUT)
67 KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd)
68 $(if $(wildcard $(KBUILD_OUTPUT)),, \
69 $(error output directory "$(saved-output)" does not exist))
71 .PHONY: $(MAKECMDGOALS)
73 $(filter-out _all,$(MAKECMDGOALS)) _all: $(KBUILD_OUTPUT)/Rules.mak $(KBUILD_OUTPUT)/Makefile all_tree
74 $(MAKE) -C $(KBUILD_OUTPUT) \
75 top_srcdir=$(top_srcdir) \
76 top_builddir=$(top_builddir) \
77 KBUILD_SRC=$(top_srcdir) \
78 -f $(CURDIR)/Makefile $@
80 $(KBUILD_OUTPUT)/Rules.mak:
82 @echo top_srcdir=$(top_srcdir) >> $@
83 @echo top_builddir=$(KBUILD_OUTPUT) >> $@
84 @echo include $(top_srcdir)/Rules.mak >> $@
86 $(KBUILD_OUTPUT)/Makefile:
88 @echo top_srcdir=$(top_srcdir) >> $@
89 @echo top_builddir=$(KBUILD_OUTPUT) >> $@
90 @echo KBUILD_SRC='$$(top_srcdir)' >> $@
91 @echo include '$$(KBUILD_SRC)'/Makefile >> $@
93 # Leave processing to above invocation of make
95 endif # ifneq ($(KBUILD_OUTPUT),)
96 endif # ifeq ($(KBUILD_SRC),)
98 ifeq ($(skip-makefile),)
100 # We only need a copy of the Makefile for the config targets and reuse
101 # the rest from the source directory, i.e. we do not cp ALL_MAKEFILES.
102 scripts/config/Makefile: $(top_srcdir)/scripts/config/Makefile
109 @echo ' clean - delete temporary files created by build'
110 @echo ' distclean - delete all non-source files (including .config)'
113 @echo ' all - Executable and documentation'
114 @echo ' busybox - the swiss-army executable'
115 @echo ' doc - docs/BusyBox.{txt,html,1}'
117 @echo 'Configuration:'
118 @echo ' allnoconfig - disable all symbols in .config'
119 @echo ' allyesconfig - enable (almost) all symbols in .config'
120 @echo ' allbareconfig - enable all basics without any features'
121 @echo ' config - text based configurator (of last resort)'
122 @echo ' defconfig - set .config to defaults'
123 @echo ' menuconfig - interactive curses-based configurator'
124 @echo ' oldconfig - resolve any unresolved symbols in .config'
126 @echo 'Installation:'
127 @echo ' install - install busybox and symlinks into $prefix'
128 @echo ' install-hardlinks - install busybox and hardlinks into $prefix'
132 @echo ' check - run the test suite for all applets'
133 @echo ' randconfig - generate a random configuration'
134 @echo ' release - create a distribution tarball'
135 @echo ' sizes - show size of all enabled busybox symbols'
139 include $(top_srcdir)/Rules.mak
141 ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
143 # Default target if none was requested explicitly
146 # warn if no configuration exists and we are asked to build a non-config target
149 @echo "No $(top_builddir)/$@ found!"
150 @echo "Please refer to 'make help', section Configuration."
155 # ---------------------------------------------------------------------------
157 scripts/config/conf: scripts/config/Makefile
158 $(MAKE) -C scripts/config conf
159 -@if [ ! -f .config ] ; then \
160 cp $(CONFIG_DEFCONFIG) .config; \
163 scripts/config/mconf: scripts/config/Makefile
164 $(MAKE) -C scripts/config ncurses conf mconf
165 -@if [ ! -f .config ] ; then \
166 cp $(CONFIG_DEFCONFIG) .config; \
169 menuconfig: scripts/config/mconf
170 @./scripts/config/mconf $(CONFIG_CONFIG_IN)
172 config: scripts/config/conf
173 @./scripts/config/conf $(CONFIG_CONFIG_IN)
175 oldconfig: scripts/config/conf
176 @./scripts/config/conf -o $(CONFIG_CONFIG_IN)
178 randconfig: scripts/config/conf
179 @./scripts/config/conf -r $(CONFIG_CONFIG_IN)
181 allyesconfig: scripts/config/conf
182 @./scripts/config/conf -y $(CONFIG_CONFIG_IN)
183 sed -i -r -e "s/^(CONFIG_DEBUG|USING_CROSS_COMPILER|CONFIG_STATIC|CONFIG_SELINUX).*/# \1 is not set/" .config
184 @./scripts/config/conf -o $(CONFIG_CONFIG_IN)
186 allnoconfig: scripts/config/conf
187 @./scripts/config/conf -n $(CONFIG_CONFIG_IN)
189 defconfig: scripts/config/conf
190 @./scripts/config/conf -d $(CONFIG_CONFIG_IN)
192 allbareconfig: scripts/config/conf
193 @./scripts/config/conf -y $(CONFIG_CONFIG_IN)
194 sed -i -r -e "s/^(CONFIG_DEBUG|USING_CROSS_COMPILER|CONFIG_STATIC|CONFIG_SELINUX).*/# \1 is not set/" .config
195 sed -i -e "/FEATURE/s/=.*//;/^[^#]/s/.*FEATURE.*/# \0 is not set/;" .config
196 @echo "CONFIG_FEATURE_BUFFERS_GO_ON_STACK=y" >> .config
197 @./scripts/config/conf -o $(CONFIG_CONFIG_IN)
199 else # ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
201 all: busybox busybox.links doc
203 # In this section, we need .config
204 -include $(top_builddir)/.config.cmd
205 include $(patsubst %,%/Makefile.in, $(SRC_DIRS))
206 -include $(top_builddir)/.depend
208 endif # ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
210 busybox: .depend $(libraries-y)
211 $(CC) $(EXTRA_CFLAGS) $(LDFLAGS) -o $@ -Wl,--start-group $(libraries-y) $(LIBRARIES) -Wl,--end-group
214 busybox.links: $(top_srcdir)/applets/busybox.mkll include/config.h $(top_srcdir)/include/applets.h
217 install: $(top_srcdir)/applets/install.sh busybox busybox.links
218 $(SHELL) $< $(PREFIX)
219 ifeq ($(strip $(CONFIG_FEATURE_SUID)),y)
222 @echo --------------------------------------------------
223 @echo You will probably need to make your busybox binary
224 @echo setuid root to ensure all configured applets will
226 @echo --------------------------------------------------
230 uninstall: busybox.links
231 rm -f $(PREFIX)/bin/busybox
232 for i in `cat busybox.links` ; do rm -f $(PREFIX)$$i; done
234 install-hardlinks: $(top_srcdir)/applets/install.sh busybox busybox.links
235 $(SHELL) $< $(PREFIX) --hardlinks
237 # see if we are in verbose mode
240 ifeq ("$(origin V)", "command line")
241 KBUILD_VERBOSE := $(V)
244 ifneq ($(strip $(KBUILD_VERBOSE)),)
248 bindir=$(top_builddir) srcdir=$(top_srcdir)/testsuite \
249 $(top_srcdir)/testsuite/runtest $(CHECK_VERBOSE)
253 $(MAKE) top_srcdir=$(top_srcdir) top_builddir=$(top_builddir) \
254 -f $(top_srcdir)/Makefile STRIPCMD=/bin/true
255 nm --size-sort busybox
257 # Documentation Targets
258 doc: docs/busybox.pod docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html
260 docs/busybox.pod : $(top_srcdir)/docs/busybox_header.pod $(top_srcdir)/include/usage.h $(top_srcdir)/docs/busybox_footer.pod
262 - ( cat $(top_srcdir)/docs/busybox_header.pod; \
263 $(top_srcdir)/docs/autodocifier.pl $(top_srcdir)/include/usage.h; \
264 cat $(top_srcdir)/docs/busybox_footer.pod ) > docs/busybox.pod
266 docs/BusyBox.txt: docs/busybox.pod
268 $(SECHO) BusyBox Documentation
273 docs/BusyBox.1: docs/busybox.pod
275 - pod2man --center=BusyBox --release="version $(VERSION)" \
278 docs/BusyBox.html: docs/busybox.net/BusyBox.html
280 -@ rm -f docs/BusyBox.html
281 -@ cp docs/busybox.net/BusyBox.html docs/BusyBox.html
283 docs/busybox.net/BusyBox.html: docs/busybox.pod
284 -@ mkdir -p docs/busybox.net
285 - pod2html --noindex $< > \
286 docs/busybox.net/BusyBox.html
289 # The nifty new buildsystem stuff
290 scripts/bb_mkdep: $(top_srcdir)/scripts/bb_mkdep.c
291 $(HOSTCC) $(HOSTCFLAGS) -o $@ $<
293 DEP_INCLUDES := include/config.h include/bb_config.h
295 ifeq ($(strip $(CONFIG_BBCONFIG)),y)
296 DEP_INCLUDES += include/bbconfigopts.h
298 include/bbconfigopts.h: .config
299 $(top_srcdir)/scripts/config/mkconfigs > $@
303 .depend: scripts/bb_mkdep $(DEP_INCLUDES)
305 @mkdir -p include/config
306 scripts/bb_mkdep -c include/config.h -c include/bb_config.h \
307 -I $(top_srcdir)/include $(top_srcdir) > $@.tmp
310 include/config.h: .config
311 @if [ ! -x $(top_builddir)/scripts/config/conf ] ; then \
312 $(MAKE) -C scripts/config conf; \
314 @$(top_builddir)/scripts/config/conf -o $(CONFIG_CONFIG_IN)
316 include/bb_config.h: include/config.h
317 @echo -e "#ifndef BB_CONFIG_H\n#define BB_CONFIG_H" > $@
318 @sed -e 's/#undef CONFIG_\(.*\)/#define ENABLE_\1 0/' \
319 -e 's/#define CONFIG_\(.*\)/#define CONFIG_\1\n#define ENABLE_\1/' \
324 - $(MAKE) -C scripts/config $@
325 - rm -f docs/busybox.dvi docs/busybox.ps \
326 docs/busybox.pod docs/busybox.net/busybox.html \
327 docs/busybox pod2htm* *.gdb *.elf *~ core .*config.log \
328 docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html \
329 docs/busybox.net/BusyBox.html busybox.links libbb/loop.h \
331 - rm -rf _install testsuite/links
332 - find . -name .\*.flags -exec rm -f {} \;
333 - find . -name \*.o -exec rm -f {} \;
334 - find . -name \*.a -exec rm -f {} \;
337 - rm -f scripts/bb_mkdep
338 - rm -rf include/config include/config.h include/bb_config.h include/bbconfigopts.h
339 - find . -name .depend -exec rm -f {} \;
340 rm -f .config .config.old .config.cmd
342 release: distclean #doc
344 rm -rf $(PROG)-$(VERSION); \
345 cp -a busybox $(PROG)-$(VERSION); \
347 find $(PROG)-$(VERSION)/ -type d \
350 -exec rm -rf {} \; ; \
352 find $(PROG)-$(VERSION)/ -type f \
355 -exec rm -f {} \; ; \
357 tar -cvzf $(PROG)-$(VERSION).tar.gz $(PROG)-$(VERSION)/;
363 endif # ifeq ($(skip-makefile),)
365 .PHONY: dummy subdirs release distclean clean config oldconfig \
366 menuconfig tags check test depend dep buildtree